The Belgian artist Francis Alÿs (b. Antwerp, 1959) makes work that is as multifaceted as it is poetically subversive. Straddling the line between performative conceptual art and community intervention, his films and drawings chart the political and social realities of urban spaces. One of his most imposing long-term projects is Children's Games, for which he documents children playing all over the world, from Paris and Mexico City to the Yezidi...